Finding active computer in local network.
How can I find out what computers in my local network? I need to implement something similar to this:
nmap works pretty fast it doesn't look like it uses usual ping.
grab source code of nmap and dig..
probably multicast ICMP packet or just inject bunch of ARP 223 12.449143 Casa_01:a9:4f Broadcast ARP Who has xxx.xxx.xxx.30? Tell xxx.xxx.xxx.1?
grab wireshark and look
You can just read /proc/net/arp and ignore entries with 00:00:00:00:00:00.
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